Disc Medicine, Inc. (IRON) insider trading

{
  "status": "OK",
  "results": [
    {
      "tickers": [
        "IRON"
      ],
      "issuer_cik": "0001816736",
      "owner_cik": "0001591747",
      "accession_number": "0001591747-26-000009",
      "form_type": "4",
      "filing_date": "2026-10-21",
      "period_of_report": "2026-10-19",
      "issuer_name": "Disc Medicine, Inc.",
      "issuer_trading_symbol": "IRON",
      "owner_name": "Bitterman Kevin",
      "is_director": true,
      "is_officer": false,
      "is_ten_percent_owner": false,
      "is_other": false,
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-10-21",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 266,
      "transaction_price_per_share": 80.23,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 12991,
      "transaction_value": 21341.18,
      "direct_or_indirect": "I",
      "nature_of_ownership": "See footnote",
      "footnotes": [
        {
          "id": "F1",
          "description": "Shares were sold pursuant to a Rule 10b5-1 trading plan adopted on July 30, 2026."
        },
        {
          "id": "F7",
          "description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.95 to $80.70 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."
        },
        {
          "id": "F5",
          "description": "These shares are held by Atlas Venture Fund XII, L.P. (\"Atlas XII\"). The general partner of Atlas XII is Atlas Venture Associates XII, L.P. (\"Associates XII\"). Atlas Venture Associates XII, LLC (\"Associates XII LLC\") is the general partner of Associates XII. The Reporting Person is a member of Associates XII LLC and disclaims beneficial ownership of such securities held by Atlas XII, except to the extent of his pecuniary interest therein, if any."
        }
      ]
    },
    {
      "tickers": [
        "IRON"
      ],
      "issuer_cik": "0001816736",
      "owner_cik": "0001591747",
      "accession_number": "0001591747-26-000009",
      "form_type": "4",
      "filing_date": "2026-10-21",
      "period_of_report": "2026-10-19",
      "issuer_name": "Disc Medicine, Inc.",
      "issuer_trading_symbol": "IRON",
      "owner_name": "Bitterman Kevin",
      "is_director": true,
      "is_officer": false,
      "is_ten_percent_owner": false,
      "is_other": false,
      "security_type": "non_derivative",
      "record_type": "transaction",
      "security_title": "Common Stock",
      "transaction_timeliness": "O",
      "aff_10b5_one": true,
      "transaction_date": "2026-10-19",
      "transaction_code": "S",
      "equity_swap_involved": false,
      "transaction_shares": 4942,
      "transaction_price_per_share": 79.97,
      "transaction_acquired_disposed": "D",
      "shares_owned_following_transaction": 307288,
      "transaction_value": 395211.74,
      "direct_or_indirect": "I",
      "nature_of_ownership": "See footnote",
      "footnotes": [
        {
          "id": "F1",
          "description": "Shares were sold pursuant to a Rule 10b5-1 trading plan adopted on July 30, 2026."
        },
        {
          "id": "F2",
          "description": "The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.95 to $80.2476 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote."
        },
        {
          "id": "F4",
          "description": "These shares are held by Atlas Venture Opportunity Fund II, L.P. (\"Opportunity II\"). The general partner of Opportunity II is Atlas Venture Associates Opportunity II, L.P. (\"Associates II\"). Atlas Venture Associates Opportunity II, LLC (\"Associates II LLC\") is the general partner of Associates II. The Reporting Person is a member of Associates II LLC and disclaims beneficial ownership of such securities held by Opportunity II, except to the extent of his pecuniary interest therein, if any."
        }
      ]
    }
  ]
}

// trimmed to 2 results

The response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.